Brooklyn fire

Mourners gather during funeral services for the seven siblings killed in a house fire on March 22, 2015, in Brooklyn.  (Julio Cortez / AP)

Vehicles containing the remains of the seven siblings who died in a house fire leaves Shomrei Hadas Chapels following funeral services on March 22, 2015, in Brooklyn.  (Julio Cortez / AP)

Mourners follow closely behind a vehicle containing the remains of the seven siblings who died in a house fire leaving Shomrei Hadas Chapels following funeral services on March 22, 2015, in Brooklyn.  (Julio Cortez / AP)

Mourners attend funeral services for the seven siblings killed in a house fire on March 22, 2015, in Brooklyn.  (Julio Cortez / AP)

Mayor Bill de Blasio, center, leaves the aftermath of a house fire in the Midwood neighborhood in Brooklyn on March 21 in New York City that killed seven children.   (Kena Betancur/Getty Images)

Firefighters stand in front of the house where seven children were killed in the Midwood neighborhood in Brooklyn on March 21 in New York City.   (Kena Betancur/AFP/Getty Images)

Mayor Bill de Blasio embraces New York’s Fire Commissioner Daniel Nigro outside the house fire that killed seven children in the Midwood neighborhood in Brooklyn on March 21 in New York City.   (Kena Betancur/Getty Images)

New York City fire trucks stand on the cordoned-off street outside the house where a fire ripped through the home, leaving seven children dead in Brooklyn on March 21.  (Peter Foley/EPA)

New York City firefighters enter the house where a fire hours earlier ripped through the home, leaving seven children dead and two other people in critical condition in Brooklyn on March 21.  (Peter Foley/EPA)

Mayor Bill de Blasio surveys the scene of a house fire in the Midwood neighborhood in Brooklyn on March 21 in New York City that killed seven children.   (Kena Betancur/Getty Images)